:root {
  --c-darkest: #111;
  --c-darker: #333;
  --c-dark: #777;
  --c-light: #999;
  --c-lighter: #bbb;
  --c-lightest: #eee;
  --c-purple: #bb7dff;

  --fs-xxl: 2rem;
  --fs-xl: 1.75rem;
  --fs-l: 1.25rem;
  --fs-m: 1rem;
  --fs-s: .875rem;
  --fs-xs: .75rem;
  --fs-xxs: .6rem;
  --font: "iA Writer Duo", monospace;

  --site-padding: 3rem;
}

@font-face {
  font-family: "iA Writer Duo";
  font-style: normal;
  font-weight: normal;
  src: url("../fonts/iAWriterDuoS-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "iA Writer Duo";
  font-style: normal;
  font-weight: bold;
  src: url("../fonts/iAWriterDuoS-Bold.woff2") format("woff2");
}

@font-face {
  font-family: "iA Writer Duo";
  font-style: italic;
  font-weight: normal;
  src: url("../fonts/iAWriterDuoS-Italic.woff2") format("woff2");
}

@font-face {
  font-family: "iA Writer Duo";
  font-style: italic;
  font-weight: bold;
  src: url("../fonts/iAWriterDuoS-BoldItalic.woff2") format("woff2");
}

::selection {
  background: hsl(from var(--c-purple) h s l / .2);
  color: hsl(from var(--c-lighter) h s l);
}

html {
  background: hsl(from var(--c-darkest) h s l);
  color: hsl(from var(--c-light) h s l);
  display: grid;
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.5;

  @media (max-width: 90ch) {
    & {
      font-size: 16px;
    }
  }

  @media (max-width: 70ch) {
    & {
      font-size: 14px;
    }
  }
}

body {
  box-sizing: border-box;
  justify-self: center;
  line-height: 1.8;
  margin: 0;
  padding: var(--site-padding);
  width: min(70ch, 100%);

  @media (max-width: 90ch) {
    & {
      --site-padding: 2rem;
    }
  }

  @media (max-width: 70ch) {
    & {
      --site-padding: 1rem;
    }
  }
}

:not(a) > abbr[title]:hover {
  color: hsl(from var(--c-light) h s l);
  cursor: help;
  text-decoration-color: hsl(from var(--c-dark) h s l);
  text-decoration-line: underline;
  text-decoration-style: wavy;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
}

a {
  color: hsl(from var(--c-lighter) h s l);
  text-decoration-color: hsl(from var(--c-darker) h s l);
  text-decoration-skip-ink: all;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;

  &:hover,
  &:focus {
    color: hsl(from var(--c-lightest) h s l);
    text-decoration-color: hsl(from var(--c-purple) h s l);

    &[href^="http"]::after {
      color: hsl(from var(--c-purple) h s l);
    }
  }

  &[href^="http"]::after {
    content: "\00a0↗"; /* Non-breaking space ftw */
    color: hsl(from var(--c-dark) h s l);
    font-size: var(--fs-s);
    font-weight: bold;
    margin-left: -.2rem;
  }
}

strong,
em {
  color: hsl(from var(--c-lighter) h s l);
}

i {
  font-style: normal;
}

h1,
h2,
h3,
h4 {
  color: hsl(from var(--c-lighter) h s l);
  font-weight: normal;
  line-height: 1.3;
  text-wrap: balance;
}

h2,
h3,
h4 {
  margin: 2rem 0;
}

h1 {
  font-size: var(--fs-xxl);
  margin: 0;

  @media (max-width: 70ch) {
    & {
      font-size: var(--fs-xl);
    }
  }
}

h2 {
  font-size: var(--fs-l);
}

h3 {
  font-size: var(--fs-m);
}

p {
  margin: 0;
}

p + p {
  margin-top: 1rem;
}

ul,
ol {
  padding-inline-start: 3rem;
}

ul {
  list-style-type: square;
}

li {
  margin-block: .5rem;

  &::marker {
    color: hsl(from var(--c-purple) h s l);
  }
}

figure.image--featured {
  background-color: hsl(from var(--c-darker) h s l / 40%);
  display: grid;
  justify-content: center;
  line-height: 0;
  margin: 2rem calc(var(--site-padding) * -1);
  padding: .5rem;

  img {
    max-width: 100%;
  }

  figcaption {
    box-sizing: border-box;
    color: hsl(from var(--c-dark) h s l);
    display: block;
    font-size: var(--fs-xs);
    font-style: italic;
    line-height: 1.3;
    padding: .5rem calc(var(--site-padding) - .5rem) 0;
    width: 100%;
  }
}

.image__grid {
  display: grid;
  gap: .5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(45%, 100%), 1fr));

  img {
    border-radius: .25rem;
  }
}

.image__grid--small {
  grid-template-columns: repeat(auto-fit, minmax(min(20%, 50%), 1fr));
}

.image__grid--checkered {

  & img {
    order: var(--grid-order);
  }

  & img:nth-child(4n-1) {
    order: calc(var(--grid-order) + 1);
  }

  & img:nth-child(4n) {
    order: calc(var(--grid-order) - 1);
  }

}

hr {
  border: none;
  border-top: 2px solid hsl(from var(--c-darker) h s l);
  margin-block: 2rem;
  width: 20%;
}

.muted {
  opacity: .7;
}

.site__body {
  border-block: 2px solid hsl(from var(--c-darker) h s l);
  margin-block: 2rem;
  padding-block: 2rem;
}

.site__footer {
  align-items: center;
  color: hsl(from var(--c-dark) h s 30%);
  display: flex;
  font-size: var(--fs-s);
  justify-content: space-between;

  a:not(:hover):not(:focus) {
    color: inherit;
  }
}

.site__title {
  color: hsl(from var(--c-purple) h s l);
  text-decoration: none;

  &:hover,
  &:focus {
    color: hsl(from var(--c-purple) h 100% 80%);
  }
}

.site__tagline {
  color: hsl(from var(--c-dark) h s l);
  font-size: var(--fs-s);
}

.site__menu {
  font-size: var(--fs-s);
  margin-top: 2rem;
}

.site__menu-item {
  align-items: center;
  border: 2px solid hsl(from var(--c-darker) h s l);
  border-radius: .6em;
  color: hsl(from var(--c-lighter) h s l);
  display: inline-flex;
  gap: .5em;
  padding: .2em .5em;
  text-decoration: none;

  &.site__menu-item--active {
    color: hsl(from var(--c-purple) h s l);
  }

  &:hover,
  &:focus {
    background-color: hsl(from var(--c-purple) h s l / .2);
    border-color: hsl(from var(--c-purple) h s l);
    color: hsl(from var(--c-lightest) h s l);
  }
}

.site__menu-icon {
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1px;
  width: 1.125rem;
}


/* Post List */

.posts__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.posts__item {
  margin: .5rem 0;
}

.posts__date {
  color: hsl(from var(--c-dark) h s l);
  font-size: var(--fs-xs);
  vertical-align: middle;

  @media (max-width: 70ch) {
    & {
      display: block;
    }
  }
}


/* Blog Post */

.post__header {
  margin-block-end: 2rem;
}

.post__title {
  margin-bottom: 1.5rem;
}

.post__meta {
  background: linear-gradient(to bottom, transparent 50%,  hsl(from var(--c-darker) h s l) 50%, hsl(from var(--c-darker) h s l) calc(50% + 2px), transparent calc(50% + 2px));
  color: hsl(from var(--c-dark) h s l);
  font-size: var(--fs-s);
}

.post__date {
  background: hsl(from var(--c-darkest) h s l);
  padding-inline-end: .5rem;
}

.post__body {
  text-wrap: pretty;
}


/* My App Stack */

.app__list {
  background-color: hsl(from var(--c-darker) h s l / 15%);
  border: 2px solid hsl(from var(--c-darker) h s l / 50%);
  border-radius: 1rem;
  box-sizing: border-box;
  display: grid;
  gap: 2rem 1rem;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  justify-content: center;
  list-style: none;
  margin-block: 2rem;
  padding: 1rem;
}

.app__item {
  margin: 0;
}

.app__link {
  display: block;
  line-height: 1;
  text-align: center;
  text-decoration: none;

  &:hover,
  &:focus {
    color: hsl(from var(--c-lightest) h s l);
    font-weight: bold;

    .app__icon {
      transform: scale(1.1);
    }
  }

  &::after {
    display: none !important;
  }
}

.app__icon {
  max-width: 100%;
  transition: transform 150ms;
}

.app__name {
  display: block;
  font-size: var(--fs-xxs);
  margin-block-start: .5rem;
}

.app__description {
  color: hsl(from var(--c-dark) h s l);
  font-size: var(--fs-s);
  line-height: 1.5;
}


/* Work */

.work {
  list-style: none;
  padding: 0;
}

.work__item {
  margin: 0;
}

.work__period {
  border: 2px solid hsl(from var(--c-darker) h s l);
  border-radius: .5rem;
  color: hsl(from var(--c-dark) h s l);
  display: inline-block;
  font-size: var(--fs-xs);
  line-height: 2.1;
  padding: 0 .5rem;
}

.work__title {
  border-inline-start: 2px solid hsl(from var(--c-darker) h s l);
  font-size: var(--fs-s);
  margin: 0;
  margin-inline-start: 1rem;
  padding-block: 1rem .5rem;
  padding-inline-start: 1rem;
}

.work__description {
  border-inline-start: 2px solid hsl(from var(--c-darker) h s l);
  font-size: var(--fs-xs);
  margin-inline-start: 1rem;
  padding-block-end: 1rem;
  padding-inline-start: 1rem;
}